diff --git a/Ragon.Relay/Dockerfile b/Ragon.Relay/Dockerfile
index 4df0c77..688f5f9 100644
--- a/Ragon.Relay/Dockerfile
+++ b/Ragon.Relay/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
 
 WORKDIR /App
 
@@ -7,7 +7,7 @@ COPY . ./
 RUN dotnet restore
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/runtime:7.0
+FROM mcr.microsoft.com/dotnet/runtime:9.0
 
 WORKDIR /App